Shirky Facebook and Twitter Speed Up Revolutions

In an interview with WSJ's Alan Murray, social media
expert Clay Shirky discusses the effect of Facebook,
Twitter and other social media in the recent uprisings
in Egypt and Tunisia, and what it could mean for the
Middle East at large.

Source:
http://online.wsj.com/video/shirky-facebook-and-twitter-speed-up-revolutions/E0BAA515-5056-4F4A-AC5E-C684BADE46CA.html